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HttpServletRequest - how to obtain the referring URL?
... mentioned it is
request.getHeader("referer");
I would like to add some more details about security aspect of referer header in contrast with accepted answer. In Open Web Application Security Project(OWASP) cheat sheets, under Cross-Site Request Forgery (CSRF) Prevention Cheat Sheet it mentions a...
Getting the name of a variable as a string
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Mod in Java produces negative numbers [duplicate]
...tive input, whereas the remainder may give negative results. There's some more information about it in this question.
You can find the positive value by doing this:
int i = (((-1 % 2) + 2) % 2)
or this:
int i = -1 % 2;
if (i<0) i += 2;
(obviously -1 or 2 can be whatever you want the numer...
Print new output on same line [duplicate]
... Thanks for the quick response and update. That makes so much more sense now. I read the help function a dozen times and wasn't obviously paying attention. :)
– onxx
Aug 20 '12 at 4:39
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Do you use NULL or 0 (zero) for pointers in C++?
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How to access array elements in a Django template?
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Aren't the first and last more likefoo['bar']?
– Bob Stein
Feb 10 '16 at 5:18
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What is the convention for word separator in Java package names?
... docs.oracle.com/javase/specs/jls/se7/html/jls-7.html#jls-7.1 (there is no more 6.8.1 and 7.7)
– Victor
Jan 30 '13 at 14:28
6
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What is Ember RunLoop and how does it work?
...opagated, and perhaps their bindings propagated, and so on. Obviously, the more changes that need to be propagated from a single event, the longer the RunLoop will take to finish. Here's a (pretty unfair) example of how the RunLoop can get bogged down with propagating changes compared to another fra...
SQL JOIN - WHERE clause vs. ON clause
... used WHERE, it used a hash. The materialize had a worse case that was 10x more costly than the hash. This was using a set of IDs rather than a single ID.
– JamesHutchison
Mar 29 '16 at 17:15
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Launch custom android application from android browser
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